Hitachi HAMMER H 65SC - Screw Locking Agent TB1401; Tightening Torque; Internal Wiring

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9-1-3. Screw Locking Agent TB1401
(1) Prior to reassembly, all M5, M6, Hexagon Socket Hd. Bolts and Machine Screws must be coated with Screw
Locking Agent ThreeBond TB1401.
(2) The following parts must be replaced with Hitachi Genuine Parts once they are loosened.
Front Cover Fixing Bolts: M8 x 30 [3]
Cylinder Case Fixing Bolts: M8 x 35 [22]
Fixing Bolt on the Connecting Rod Ass'y [38] M8 x 16 [35]
(CAUTION) If fastening bolts come loose from vibration, it could cause serious damage to the machine.
Ensure without fail that TB1401 Screw Locking Agent is applied as directed above prior to
reassembly.
Before applying the TB1401, carefully clean any grease or other foreign matter from the male
and female threads with gasoline, thinner or similar cleaning solvents.
9-1-4. Tightening Torque
(1) M4 Hexagon Socket Hd. Bolts 4.41 N•m (45 kgf•cm, 39.1 in-Ibs.)
(2) M5 Hexagon Socket Hd. Bolts 7.84 N•m (80 kgf•cm, 69.5 in-Ibs.)
(3) M6 Hexagon Socket Hd. Bolts 9.80 N•m (100 kgf•cm, 86.9 in-Ibs.)
(4) M8 Hexagon Socket Hd. Bolts 29.4 N•m (300 kgf•cm, 260 in-Ibs.)
(5) D4 Tapping Screw 1.96 N•m (20 kgf•cm, 17.4 in-Ibs.)
[NOTE] If above bolts are tightened more than the designated values, it may cause breakage. Without fail,
tighten the Bolts and Screws according to the above specified values.
9-1-5. Internal Wiring
Wiring diagram of products with noise suppressor (Fig. 17)
4.350.49
+1.96
0
+20
0
+12.4
0
+1.96
0
+20
0
+17.4
0
+1.96
0
+20
0
+17.4
0
+4.3
0
0.49
Stator
Connector
Tube
Switch
Brown
Tube
Plug
Blue
Pillar Terminal
Noise
Suppressor
Connector
Stator
Armature
Fig. 17
5